Digital mergers: recent insights and policy implications

Chiara Fumagalli, Bruno Jullien (), Yassine Lefouili and Michele Polo
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Chiara Fumagalli: Bocconi University [Milan, Italy]
Bruno Jullien: TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement
Yassine Lefouili: TSE-R - TSE-R Toulouse School of Economics – Recherche - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement
Michele Polo: Bocconi University [Milan, Italy]

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Abstract: This paper examines merger control in digital markets and the enforcement challenges it raises. We discuss recent developments in the U.S. and the EU and analyze how specific characteristics of digital markets can either enhance or mitigate the exercise of market power. We study the effects of digital mergers on competition both in the market and for the market, and assess their implications for innovation. The paper concludes with policy recommendations aimed at improving enforcers' assessment of digital mergers.

Keywords: Merger control; Market definition; Innovation; Ecosystems (search for similar items in EconPapers)
Date: 2026-12
Note: View the original document on HAL open archive server: https://hal.science/hal-05686566v1
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Published in Information Economics and Policy, 2026, 73, pp.101174. ⟨10.1016/j.infoecopol.2026.101174⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-05686566

DOI: 10.1016/j.infoecopol.2026.101174

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